Conoco, Hess, Marathon, Others Face Lawmaker Concerns Over Gas Prices

WASHINGTON—The oil industry is gearing up for a postelection lobbying push to loosen the four-decade U.S. ban on exports of crude oil, saying that relaxing the prohibition would create jobs and stimulate the economy.

But oil producers face several challenges in the effort, even if Republicans—frequent allies of the industry—win control of the Senate in this fall's elections. While some GOP lawmakers favor lifting the ban, many others...